Advanced Math practice question

Answer: 1

x² is at least 0, so f(x) is at least 1, reached at x = 0.

Common wrong answers

If you answered 0

0 is the least value of x², not of x² + 1.

If you answered 2

2 is f(1), not the least value.

If you answered -1

−1 is below every value of f.

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